CN203374704U - Hydraulic floating-type brake caliper without holder - Google Patents
Hydraulic floating-type brake caliper without holder Download PDFInfo
- Publication number
- CN203374704U CN203374704U CN201320067748.4U CN201320067748U CN203374704U CN 203374704 U CN203374704 U CN 203374704U CN 201320067748 U CN201320067748 U CN 201320067748U CN 203374704 U CN203374704 U CN 203374704U
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- brake caliper
- housing
- piston
- hydraulic pressure
- brake
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Abstract
The utility model relates to a hydraulic floating-type brake caliper with a holder. The hydraulic floating-type brake caliper is used for fixing on a steering knuckle which is provided with two support arms, and each of the support arms is provided with a mounting hole. The hydraulic floating-type brake caliper comprises a housing, two friction blocks, a piston, two guide pins and two buffer sleeves, wherein the two friction blocks are disposed in the housing in a spaced manner, the piston is disposed in a piston hole of the housing and abuts against one of the friction blocks, the two guide pins are sleeved with the two buffer sleeves and are individually disposed in two positioning holes of the housing, and the two guide pins are used for mounting in the mounting holes disposed on the two support arms.
Description
Technical field
The utility model relates to a kind of hydraulic pressure floating brake caliper, especially relates to a kind of hydraulic pressure floating brake caliper of not belt supporting frame.
Background technique
Brake calipers is for brake slipper being pressed to brake disc so that brake disc is braked.Conventional floating brake caliper is comprised of several large of housing, support, brake pad, piston etc. usually.Support is arranged on knuckle by construction bolt, thereby is fixed on the car load suspension.Brake pad supports or directly is supported on support by spring sheet.
The braking process of floating brake caliper: promote the piston side friction plate under the effect of brake fluid pressure, friction plate moves along the guiding groove of processing on support, makes it to be pressed against on brake disc.Under the reaction force of brake disc, the friction plate of opposite side also moves along the guiding groove of processing on support, thereby realizes braking.
Fig. 1 illustrates a kind of stereogram of floating brake caliper of routine.Fig. 2 illustrates the fixed structure schematic diagram of floating brake caliper shown in Fig. 1.Shown in seeing figures.1.and.2, the housing 11 of brake calipers is fixed on knuckle by support 12.Housing 11 coordinates with the dark pin-and-hole 14 of support 12 by guide finger 13.The brake pad of housing 11 embeds the Baltimore groove of support by spring.The shortcoming of this structure is: design is complicated, cost is higher; Rack mechanical processed complex, size are difficult to control, and spring sheet is stressed very large, very high to material and shape need; It is high that pin-and-hole coordinates parallelism to require, very high to the requirement of assembling.
Fig. 3 illustrates the stereogram of the floating brake caliper of another kind of routine.Fig. 4 illustrates the fixed structure schematic diagram of floating brake caliper shown in Fig. 2.Shown in Fig. 3 and Fig. 4, the housing 21 of brake calipers is fixed on knuckle by support 22.Housing 21 directly is anchored on shallow screw hole 24 the insides of support 22 by the worm structure of guide finger 23.The brake pad backboard is push-pull structure.The shortcoming of this structure is: rack mechanical processing is more complicated, size is difficult to control; Plug-type brake pad is had relatively high expectations to the Baltimore groove of support, to machining, requires very high.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of hydraulic pressure floating brake caliper of not belt supporting frame, and it can directly be connected with knuckle.
The utility model is to solve the problems of the technologies described above the hydraulic pressure floating brake caliper that the technological scheme adopted is a kind of not belt supporting frame of proposition, for being fixed on a knuckle, this knuckle has two support arms, each support arm is provided with a mounting hole, and this hydraulic pressure floating brake caliper comprises a housing, two brake pads, a piston, two guide fingers and two buffer ferrules; This two brake pads compartment of terrain is located in this housing, this piston is located in a piston hole of this housing, an and contact brake pad wherein, sheathed this two buffer ferrule of difference on this two guide finger, and be located at respectively in two positioning holes of this housing, and this two guide finger is for being arranged in the mounting hole on this two support arm.
In an embodiment of the present utility model, the hydraulic pressure floating brake caliper also comprises seal ring, is located between the outer ring of this housing and this piston.
In an embodiment of the present utility model, the sealing circle is made by elastic material, and is located on this piston, sealing circle distortion when braking, and when loosen the brake, the sealing circle recovers and takes this piston to and get back to original position.
In an embodiment of the present utility model, each this brake pad comprises keep-spring, vibration-damping sheet, backboard and the friction plate fitted together successively.
In an embodiment of the present utility model, both sides on this backboard are respectively equipped with the friction tup, at the back-out side limited location piece of the fist side of this housing, on this support arm, relevant position is respectively equipped with guiding groove, and the guiding groove of each side embeds corresponding friction tup and limiting stopper between the two.
In an embodiment of the present utility model, this keep-spring has a plurality of pawls, and wherein a brake pad is connected with this piston elasticity at axial direction by keep-spring, and another brake pad is connected with this housing elasticity at axial direction by keep-spring.
In an embodiment of the present utility model, the hydraulic pressure floating brake caliper also comprises dust-proof cover, is located at this piston nose.
In an embodiment of the present utility model, the hydraulic pressure floating brake caliper also comprises two protection plugs, and it fills in respectively this two buffer ferrules.
The utility model, owing to adopting above technological scheme, makes it compared with prior art, directly is fastenedly connected by the guide finger on brake calipers and the corresponding mounting hole on knuckle, and needn't be installed by extra support again, thereby simplified mounting type.
The accompanying drawing explanation
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, wherein:
Fig. 1 illustrates a kind of stereogram of floating brake caliper of routine.
Fig. 2 illustrates the fixed structure schematic diagram of floating brake caliper shown in Fig. 1.
Fig. 3 illustrates the stereogram of the floating brake caliper of another kind of routine.
Fig. 4 illustrates the fixed structure schematic diagram of floating brake caliper shown in Fig. 2.
Fig. 5 illustrates the stereogram of an angle of the utility model one embodiment's floating brake caliper.
Fig. 6 illustrates the stereogram of another angle of the utility model one embodiment's floating brake caliper.
Fig. 7 illustrates the three-dimensional exploded view of the utility model one embodiment's floating brake caliper.
Fig. 8 illustrates the brake pad structural drawing of the utility model one embodiment's floating brake caliper.
Fig. 9 illustrates the stereogram according to the utility model one embodiment's knuckle.
The floating brake caliper that Figure 10 illustrates the utility model embodiment is installed on the schematic diagram of knuckle.
Figure 11 illustrates the local enlarged diagram of Figure 10.
The floating brake caliper that Figure 12 illustrates the utility model embodiment is installed on the partial schematic diagram of knuckle.
Figure 13 illustrates the utility model embodiment's floating brake caliper and the linkage structure schematic diagram of knuckle.
Figure 14 illustrates the limit structure generalized section of the utility model embodiment's floating brake caliper and knuckle.
Figure 15 illustrates the cross-sectional schematic of the utility model embodiment's floating brake caliper, and now seal ring is undeformed.
Figure 16 illustrates the cross-sectional schematic of the utility model embodiment's floating brake caliper, now sealed ring deformation.
Embodiment
Fig. 5 illustrates the stereogram of an angle of the utility model one embodiment's floating brake caliper.Fig. 6 illustrates the stereogram of another angle of the utility model one embodiment's floating brake caliper.Fig. 7 illustrates the three-dimensional exploded view of the utility model one embodiment's floating brake caliper.With reference to shown in Fig. 5 to Fig. 7, floating brake caliper comprises housing 31, is coated with two brake pads that braking force is provided in housing 31.The critical piece of brake pad is two friction plates 42,43, and they provide braking force by the friction with brake disc.Housing 31 is provided with piston 37 in a piston hole, its contact wherein a brake pad with by hydraulic pressure transfer to this brake pad.In addition, be provided with seal ring 37a to prevent the leakage between piston and housing in housing 31 and between piston 37.Seal ring 37a can be made by elastic material, and is located on this piston 36.In addition, be provided with corrosion and the pollution of dust-proof cover 38 to prevent piston hole at piston 37 front ends.
Floating brake caliper comprises two protection plugs 34 in addition, and it fills in respectively buffer ferrule 33 to prevent the pollution of guide finger 32.In addition, bleeder screw 35 can be exitted system.Dust cap 36 is contained on bleeder screw 35, prevents that bleeder screw from making dirty and corroding.
Fig. 8 illustrates the brake pad structural drawing of the utility model one embodiment's floating brake caliper.In conjunction with reference to shown in Fig. 6 to Fig. 8, brake pad is further divided into interior brake pad and external friction piece, interior brake pad comprises keep-spring 39, vibration-damping sheet 40, backboard 41 and the friction plate 42 fitted together successively, and the external friction piece comprises keep-spring 46, vibration-damping sheet 45, backboard 44 and the friction plate 43 fitted together successively.Wherein keep- spring 39,46 is riveted on respectively on backboard 41,44.After assembling, the friction plate 42 of interior brake pad is that interval is relative with the friction plate 43 of external friction piece.Be provided with wear warning of friction plate device 47 on backboard 41, the abrasion condition of friction plate is reported to the police.
Keep- spring 39 and 46 has respectively a plurality of pawls.Interior brake pad is connected with piston 37 elasticity at axial direction by keep-spring 39.The external friction piece is connected with housing 31 elasticity at axial direction by keep-spring 46.Keep-spring 46 is limited in the step circle 31b of housing 31.
Existence due to keep-spring 39, after retardation pressure discharges, brake pad can returning quickly, thereby obtains less braking drag, has avoided greatly increasing to the brake judder caused due to possible eccentric wear that braking drag causes, neutral gear driving running deviation and potential DTV.
The conventional brake calipers of comparing, the design of the present embodiment is because keep-spring directly is riveted on the backboard of brake pad, and technique is comparatively simple.For housing, only need coordinate and get final product with the keep-spring of multijaw at step circle 31b of fist side machining of housing, technique is simple, and cost is lower.
Fig. 9 illustrates the stereogram according to the utility model one embodiment's knuckle.Shown in Fig. 9, knuckle 50 is designed to comprise two support arms 51,52, jointly forms the support of brake calipers.Form respectively mounting hole 53,54 on each support arm 51,52.These two support arms 51,52 can comparatively be easy to be processed to form on knuckle 50.Like this, brake calipers can be secured on knuckle 50 by extra support.
The floating brake caliper that Figure 10 illustrates the utility model embodiment is installed on the schematic diagram of knuckle.Figure 11 illustrates the local enlarged diagram of Figure 10.The floating brake caliper that Figure 12 illustrates the utility model embodiment is installed on the partial schematic diagram of knuckle.With reference to shown in Figure 10 to Figure 12, brake calipers is connected to mounting hole 53,54 the insides of knuckle by two guide finger 32, thereby is supported between support arm 51,52.Figure 13 illustrates the cross-sectional schematic of this linkage structure.
Further, especially with reference to shown in Figure 11 and Figure 12, the both sides on the backboard 41 and 44 of brake pad are respectively equipped with friction tup 41a, 44a.During braking, brake calipers is realized relative sliding by friction tup 41a, 44a on the support arm of knuckle on the axial direction A (with reference to Fig. 9) of knuckle 50.
Back-out side limited location piece 31a in the fist side of housing 31.On support arm 51,52, relevant position is respectively equipped with guiding groove 55,56.The guiding groove of each side (55 or 56) embeds corresponding friction tup (41a or 44a) and limiting stopper 31a between the two.The keep-spring that be three-jaw 46 of three by brake pad realized relatively compressing in the radial direction constraint, the abnormal sound that mutually collides with etc. and to cause of coming off in the radial direction, part while preventing from braking.
Figure 14 illustrates the limit structure generalized section of the utility model embodiment's floating brake caliper and knuckle.Shown in Figure 14, this limit structure is a pushing-type structure, and brake calipers is directly delivered to braking force on the support arm of knuckle by the friction tup, and the limiting stopper of housing is subject to a rightabout power simultaneously.Be the limiting stopper 31a of housing only to support arm 51 or 52 applied thrusts, and do not apply pulling force.
Like this, the housing 31 of brake calipers radially is fixed on knuckle 50 by guide structure, axially can relative sliding occur along guide finger 32 and knuckle 50.Piston 36 promotes the friction plate of piston side under the effect of retardation pressure, makes it to be pressed against on brake disc.The housing 31 of retardation pressure promotion simultaneously moves along guide finger 32, and fist side friction plate also is pressed against on brake disc, produces braking force.So the brake disc both sides are clamped and are braked by friction plate.Brake disc tightens together with hub for vehicle wheel again, so wheel also stops operating.
Figure 15 illustrates the cross-sectional schematic of the utility model embodiment's floating brake caliper, and now seal ring is undeformed.Figure 16 illustrates the cross-sectional schematic of the utility model embodiment's floating brake caliper, now sealed ring deformation.With reference to shown in Figure 15, under original state, the seal ring 37a of piston 37 is undeformed respectively.With reference to Figure 16, during braking, resiliently deformable occurs in seal ring 37a.Get back to Figure 15, during loosen the brake, seal ring 37a recovers distortion drive piston 37 and gets back to original position.
In addition, after friction plate 42,43 weares and teares, the disc gap increases, and during braking, piston displacement increases.Seal ring 37a and piston 37 produce relative displacement at surface of contact, and the amount of moving after earth pressure release back piston 37 still only depends on the recovery distortion of seal ring 37a, thereby realizes the compensation in brake pad gap, makes gap keep certain stability.
In sum, above-described embodiment of the present utility model is compared conventional brake calipers and is had the following advantages:
1, the support that conventional brake calipers all carries by brake calipers itself is connected with knuckle, guide finger on brake calipers and the respective pins screw hole on support are fastenedly connected, and then be anchored on knuckle by the mounting hole on support, the utility model directly is fastenedly connected by the guide finger on brake calipers and the corresponding mounting hole on knuckle, has simplified mounting type;
2, by directly being supported on the support arm on knuckle of the friction tup on brake calipers, simplified supporting way.
3, the conventional caliper design of comparing, brake calipers of the present utility model is owing to having saved complicated support, very advantageous aspect weight, the thing followed is the reduction of cost aspect;
4, owing to there is no independent support, more succinct in the dimensional chain calculating of radial direction, the dimensional variations scope is further dwindled, and under same wheel, can have larger design space, and the risk that radial direction and wheel are interfered further reduces.
Although the utility model is described with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is only for the utility model is described, in the situation that do not break away from variation or the replacement that the utility model spirit also can be made various equivalences, therefore, as long as in connotation scope of the present utility model in the scope to the variation of above-described embodiment, claims that modification all will drop on the application.
Claims (8)
1. the hydraulic pressure floating brake caliper of belt supporting frame not, for being fixed on a knuckle, this knuckle has two support arms, and each support arm is provided with a mounting hole, it is characterized in that, this hydraulic pressure floating brake caliper comprises a housing, two brake pads, a piston, two guide fingers and two buffer ferrules; This two brake pads compartment of terrain is located in this housing, this piston is located in a piston hole of this housing, an and contact brake pad wherein, sheathed this two buffer ferrule of difference on this two guide finger, and be located at respectively in two positioning holes of this housing, and this two guide finger is for being arranged in the mounting hole on this two support arm.
2. hydraulic pressure floating brake caliper as claimed in claim 1, is characterized in that, also comprises seal ring, is located between the outer ring of this housing and this piston.
3. hydraulic pressure floating brake caliper as claimed in claim 2, is characterized in that, the sealing circle is made by elastic material, and be located on this piston, sealing circle distortion when braking, and when loosen the brake, the sealing circle recovers and takes this piston to and get back to original position.
4. hydraulic pressure floating brake caliper as claimed in claim 1, is characterized in that, each this brake pad comprises keep-spring, vibration-damping sheet, backboard and the friction plate fitted together successively.
5. hydraulic pressure floating brake caliper as claimed in claim 3, it is characterized in that, both sides on this backboard are respectively equipped with the friction tup, back-out side limited location piece in the fist side of this housing, on this support arm, relevant position is respectively equipped with guiding groove, and the guiding groove of each side embeds corresponding friction tup and limiting stopper between the two.
6. hydraulic pressure floating brake caliper as claimed in claim 5, it is characterized in that, this keep-spring has a plurality of pawls, and wherein a brake pad is connected with this piston elasticity at axial direction by keep-spring, and another brake pad is connected with this housing elasticity at axial direction by keep-spring.
7. hydraulic pressure floating brake caliper as claimed in claim 1, is characterized in that, also comprises dust-proof cover, is located at this piston nose.
8. hydraulic pressure floating brake caliper as claimed in claim 1, is characterized in that, also comprises two protection plugs, and it fills in respectively this two buffer ferrules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320067748.4U CN203374704U (en) | 2013-02-05 | 2013-02-05 | Hydraulic floating-type brake caliper without holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320067748.4U CN203374704U (en) | 2013-02-05 | 2013-02-05 | Hydraulic floating-type brake caliper without holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203374704U true CN203374704U (en) | 2014-01-01 |
Family
ID=49837233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320067748.4U Expired - Fee Related CN203374704U (en) | 2013-02-05 | 2013-02-05 | Hydraulic floating-type brake caliper without holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203374704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967978A (en) * | 2013-02-05 | 2014-08-06 | 上海大陆汽车制动系统销售有限公司 | Hydraulic pin slide type caliper without support |
-
2013
- 2013-02-05 CN CN201320067748.4U patent/CN203374704U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967978A (en) * | 2013-02-05 | 2014-08-06 | 上海大陆汽车制动系统销售有限公司 | Hydraulic pin slide type caliper without support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20180205 |